/* 全局样式 */
body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f9f9f9;
}

h1 {
    color: #333;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

table th {
    background-color: #f4f4f4;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 4px;
}

button:hover {
    background-color: #0056b3;
}

form {
    display: inline-block;
    margin-right: 10px;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    background-color: #ffdddd;
    color: #d8000c;
    padding: 10px;
    margin-bottom: 5px;
    border: 1px solid #d8000c;
    border-radius: 4px;
}